7. Balance the given skeleton equation:
$K M n O_{4} + H C l ⟶ K C l + M n {C l}_{2} + H_{2} O + {C l}_{2}$

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Solution

The chemical equation for the given reaction is as follows:
$[5 e^{-} + M n O_{4}^{-} + 8 H^{+} ⟶ M n^{2 +} + 4 H_{2} O] \times 2$
$[2 {C l}^{-} ⟶ {C l}_{2} + 2 e^{-}] \times 5$
The overall reaction will be:
$2 M n O_{4} + 16 H^{+} + 10 {C l}^{-} ⟶ 2 {M n}^{2 +} + 8 H_{2} O + 5 {C l}_{2}$
$2 K M n O_{4} + 16 H C l ⟶ 2 M n {C l}_{2} + K C l + 8 H_{2} O + 5 {C l}_{2}$

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